Amazon.com is preparing to open Amazon Go supermarkets and pop-up stores, an expansion of the company’s cashierless ambitions that includes the possibility of licensing the technology to other retailers.

In a letter sent to federal lawmakers, an online merchant has accused Amazon.com of forcing him and other sellers to use the company’s expensive logistics services, which in turn forces them to raise prices for consumers.

Amazon.com’s shipping costs skyrocketed 46% year-over-year in the third quarter to a record $9.6 billion, an increase of more than $500 million over what the online retail giant spent during the same period in 2018.

Hold on to your smartphone — the holiday price wars between Walmart Inc. and Amazon.com Inc. are heating up.

Ever since Amazon.com bought Whole Foods in 2017 for $13.7 billion, shoppers and investors have wondered how the e-commerce giant would integrate the upscale grocer into its sprawling online operation. Now, after two years of tinkering, Amazon is betting big on quick delivery from Whole Foods.

Amazon.com contributed more greenhouse gas emissions last year than some big competitors in retail, logistics and technology, but less than rival Walmart Inc. and the world’s biggest energy companies, highlighting the growing scale and diverse businesses of the conglomerate.

Amazon will buy 100,000 electric vans to assist with Prime deliveries, according to CEO Jeff Bezos, who made the announcement at the National Press Club in Washington on Sept. 19.

Acknowledging a steady drumbeat of criticism from activists and a vocal group of his own employees, Amazon.com founder and CEO Jeff Bezos announced the formation of a new organization, the Climate Pledge, to meet the goals of the landmark Paris climate agreement 10 years early.

Amazon.com shares fell following a report that the e-commerce giant adjusted its product search results to emphasize items that are more profitable to the company.

Amazon is bringing its latest hub for air delivery to Fort Worth.